Error: The installment designation amount cannot be less than the applied amount

This is resolved in versions 2.9 and above. To resolve, please, update to one of these versions.

Alternative resolution:1. Open the pledge for edit2. Change the designation for the pledge and the payments when prompted3. Save the Pledge4. Open the pledge again for edit5. Change the amount of the pledge as you would normally along with the designation6. Update the installments7. Add the adjustment information8. Save